- name: Install PostgreSQL
  ansible.builtin.apt:
    name: postgresql
    state: present

- name: Trust connections to PostgreSQL
  community.general.postgresql_pg_hba:
    dest: "{{ postgresql_config }}"
    contype: host
    databases: all
    users: all
    address: "{{ item }}"
    method: trust
  register: postgresql_hba
  loop: "{{ postgresql_trust }}"

- name: Change PostgreSQL listen addresses
  community.general.postgresql_set:
    name: listen_addresses
    value: "{{ postgresql_listen }}"
  become: true
  become_user: postgres
  register: postgresql_config

- name: Reload PostgreSQL
  ansible.builtin.service:
    name: postgresql
    state: reloaded
  when: postgresql_hba.changed and not postgresql_config.changed

- name: Restart PostgreSQL
  ansible.builtin.service:
    name: postgresql
    state: restarted
  when: postgresql_config.changed

- name: Allow database connections
  community.general.ufw:
    rule: allow
    port: "5432"
    proto: tcp
    src: "{{ item }}"
  loop: "{{ postgresql_trust }}"